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<head><meta charset="utf-8"><title>bespoke-relation · t-compiler/wg-nll · Zulip Chat Archive</title></head>
<h2>Stream: <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/index.html">t-compiler/wg-nll</a></h2>
<h3>Topic: <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/bespoke-relation.html">bespoke-relation</a></h3>

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<a name="126371324"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/bespoke-relation/near/126371324" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/bespoke-relation.html#126371324">(May 10 2018 at 16:00)</a>:</h4>
<p><span class="user-mention" data-user-id="116110">@Chris Vittal</span> btw I rebased the <code>relation</code> branch and pushed some WIP commits starting to add something that uses the edge relation to compute subset relation. I confess I've not yet even tried it. :P</p>



<a name="126371327"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/bespoke-relation/near/126371327" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/bespoke-relation.html#126371327">(May 10 2018 at 16:00)</a>:</h4>
<p>and we'll need to improve the tests to compare for equality...</p>



<a name="126371338"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/bespoke-relation/near/126371338" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/bespoke-relation.html#126371338">(May 10 2018 at 16:01)</a>:</h4>
<p>also, it does a bunch of extra work now to compute equal results to timely (e.g., working out the transitive closure), but I figure we can modify how the timing works to just time the "inner loop"</p>



<a name="126371348"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/bespoke-relation/near/126371348" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/bespoke-relation.html#126371348">(May 10 2018 at 16:01)</a>:</h4>
<p>also I want it known that I am using the word "bespoke" ironically =)</p>



<a name="126371391"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/bespoke-relation/near/126371391" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/bespoke-relation.html#126371391">(May 10 2018 at 16:02)</a>:</h4>
<p>I'M NOT THAT HIP NORMALLY</p>



<a name="126371397"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/bespoke-relation/near/126371397" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/bespoke-relation.html#126371397">(May 10 2018 at 16:02)</a>:</h4>
<p>...it is sort of a fun word to say though...</p>



<a name="126372007"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/bespoke-relation/near/126372007" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Chris Vittal <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/bespoke-relation.html#126372007">(May 10 2018 at 16:16)</a>:</h4>
<p>Alright. I'll take a look. Maybe try to finish it up, add some tests.</p>



<a name="126373875"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/bespoke-relation/near/126373875" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/bespoke-relation.html#126373875">(May 10 2018 at 17:01)</a>:</h4>
<p>ok, are you actively poking at it? (I am not just now, but might)</p>



<a name="126376509"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/bespoke-relation/near/126376509" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Chris Vittal <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/bespoke-relation.html#126376509">(May 10 2018 at 18:03)</a>:</h4>
<p>Not right now</p>



<a name="126380184"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/bespoke-relation/near/126380184" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/bespoke-relation.html#126380184">(May 10 2018 at 19:21)</a>:</h4>
<p>ok so <span class="user-mention" data-user-id="116110">@Chris Vittal</span> I pushed a commit that actually runs the new relation</p>



<a name="126380185"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/bespoke-relation/near/126380185" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/bespoke-relation.html#126380185">(May 10 2018 at 19:21)</a>:</h4>
<p>it panics :)</p>



<a name="126380224"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/bespoke-relation/near/126380224" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/bespoke-relation.html#126380224">(May 10 2018 at 19:22)</a>:</h4>
<p>I will look maybe a bit into why, though I was thinking maybe of writing a "naive relation" so I can test the harness itself better...</p>



<a name="126380773"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/bespoke-relation/near/126380773" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/bespoke-relation.html#126380773">(May 10 2018 at 19:34)</a>:</h4>
<p>oh, the panic turns out to be a bug in the harness definitely</p>



<a name="126384590"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/bespoke-relation/near/126384590" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/bespoke-relation.html#126384590">(May 10 2018 at 21:05)</a>:</h4>
<p>ok, fixed it, and the test passes now</p>



<a name="126387972"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/bespoke-relation/near/126387972" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/bespoke-relation.html#126387972">(May 10 2018 at 22:33)</a>:</h4>
<p>(however, running on clap still panics)</p>



<a name="126388449"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/bespoke-relation/near/126388449" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/bespoke-relation.html#126388449">(May 10 2018 at 22:48)</a>:</h4>
<p><span class="user-mention" data-user-id="116013">@qmx</span> where'd you push those stats changes?</p>



<a name="126388456"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/bespoke-relation/near/126388456" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> qmx <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/bespoke-relation.html#126388456">(May 10 2018 at 22:49)</a>:</h4>
<p><span class="user-mention" data-user-id="116009">@nikomatsakis</span> I've forgot to push, will do in a few</p>



<a name="126389008"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/bespoke-relation/near/126389008" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> qmx <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/bespoke-relation.html#126389008">(May 10 2018 at 23:04)</a>:</h4>
<p><span class="user-mention" data-user-id="116009">@nikomatsakis</span> I'm preparing the PR now, do you want it against another branch than master?</p>



<a name="126389022"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/bespoke-relation/near/126389022" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/bespoke-relation.html#126389022">(May 10 2018 at 23:05)</a>:</h4>
<p>master would do</p>



<a name="126389024"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/bespoke-relation/near/126389024" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/bespoke-relation.html#126389024">(May 10 2018 at 23:05)</a>:</h4>
<p>ps we're in the wrong thread :)</p>



<a name="126389026"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/bespoke-relation/near/126389026" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/bespoke-relation.html#126389026">(May 10 2018 at 23:05)</a>:</h4>
<p>that's the annoying part about threads I guess...</p>



<a name="126389079"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/bespoke-relation/near/126389079" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> lqd <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/bespoke-relation.html#126389079">(May 10 2018 at 23:07)</a>:</h4>
<p>I think you can change the topic when editing a message</p>



<a name="126389250"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/bespoke-relation/near/126389250" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/bespoke-relation.html#126389250">(May 10 2018 at 23:12)</a>:</h4>
<p><span class="user-mention" data-user-id="116110">@Chris Vittal</span> ok pushed the driver + tests etc</p>



<a name="126389254"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/bespoke-relation/near/126389254" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/bespoke-relation.html#126389254">(May 10 2018 at 23:12)</a>:</h4>
<p>er, wait, did my rebase screw something up...</p>



<a name="126389255"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/bespoke-relation/near/126389255" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/bespoke-relation.html#126389255">(May 10 2018 at 23:12)</a>:</h4>
<p>uh oh</p>



<a name="126389260"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/bespoke-relation/near/126389260" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/bespoke-relation.html#126389260">(May 10 2018 at 23:13)</a>:</h4>
<p>oh, I see</p>



<a name="126389397"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/bespoke-relation/near/126389397" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/bespoke-relation.html#126389397">(May 10 2018 at 23:16)</a>:</h4>
<p>ok, <em>now</em> pushed</p>



<a name="126389866"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/bespoke-relation/near/126389866" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Chris Vittal <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/bespoke-relation.html#126389866">(May 10 2018 at 23:30)</a>:</h4>
<p>got it, what are the current todos?</p>



<a name="126389874"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/bespoke-relation/near/126389874" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/bespoke-relation.html#126389874">(May 10 2018 at 23:30)</a>:</h4>
<p>well, first off it panics when run against the clap test</p>



<a name="126395015"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/bespoke-relation/near/126395015" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/bespoke-relation.html#126395015">(May 11 2018 at 02:27)</a>:</h4>
<p>jfyi, I did some experimentation with a matrix version too. Neither one works when deployed at scale =)</p>



<a name="126395049"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/bespoke-relation/near/126395049" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/bespoke-relation.html#126395049">(May 11 2018 at 02:28)</a>:</h4>
<p>also, I pushed some things to the branch, hopefully won't disturb ya'</p>



<a name="126520879"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/bespoke-relation/near/126520879" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Chris Vittal <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/bespoke-relation.html#126520879">(May 14 2018 at 04:11)</a>:</h4>
<p><span class="user-mention" data-user-id="116009">@nikomatsakis</span> Most of what I was able to do this weekend was find a test that reveals a bug in the edge removal code. It's in your repo now. I'll dig into why it fails in the morning.</p>



<a name="126529272"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/bespoke-relation/near/126529272" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/bespoke-relation.html#126529272">(May 14 2018 at 09:10)</a>:</h4>
<p>ok -- I made great progress on the <a href="https://github.com/rust-lang-nursery/borrow-check/pull/23" target="_blank" title="https://github.com/rust-lang-nursery/borrow-check/pull/23">timely dataflow-based implementation</a>, but I haven't made any more on this</p>



<a name="126539403"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/bespoke-relation/near/126539403" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/bespoke-relation.html#126539403">(May 14 2018 at 14:11)</a>:</h4>
<p><span class="user-mention" data-user-id="116110">@Chris Vittal</span> to be perfectly honest, with <a href="https://github.com/rust-lang-nursery/borrow-check/pull/23" target="_blank" title="https://github.com/rust-lang-nursery/borrow-check/pull/23">this PR doing so well</a>, I'm thinking we it's better to stick with differential-dataflow</p>



<a name="126539449"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/bespoke-relation/near/126539449" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/bespoke-relation.html#126539449">(May 14 2018 at 14:12)</a>:</h4>
<p>though I definitely have no objection to us trying to do better via custom code</p>



<a name="126539645"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/bespoke-relation/near/126539645" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Chris Vittal <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/bespoke-relation.html#126539645">(May 14 2018 at 14:17)</a>:</h4>
<p>Okay. I'll spend some of today trying to fix it and see where it is with respect to your new PR.</p>



<a name="126539705"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/bespoke-relation/near/126539705" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Chris Vittal <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/bespoke-relation.html#126539705">(May 14 2018 at 14:18)</a>:</h4>
<p>But I won't take more than today and maybe tomorrow, but considering I have a 10 line test case, it shouldn't be too hard to debug and fix. (I hope)</p>



<a name="126539728"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/bespoke-relation/near/126539728" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/bespoke-relation.html#126539728">(May 14 2018 at 14:19)</a>:</h4>
<p>we need a :famous last words: emoji</p>



<a name="126539848"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/bespoke-relation/near/126539848" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nikomatsakis <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/bespoke-relation.html#126539848">(May 14 2018 at 14:22)</a>:</h4>
<p>Zulip <em>does</em> support custom emojis =)</p>



<a name="126557853"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/bespoke-relation/near/126557853" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Chris Vittal <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/bespoke-relation.html#126557853">(May 14 2018 at 20:56)</a>:</h4>
<p>Okay, I hope that the kinks have been ironed out, but the graph relationship is slow. Slower than even the naive version. <em>shrugs</em></p>



<a name="126558302"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122657-t-compiler/wg-nll/topic/bespoke-relation/near/126558302" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Chris Vittal <a href="https://rust-lang.github.io/zulip_archive/stream/122657-t-compiler/wg-nll/topic/bespoke-relation.html#126558302">(May 14 2018 at 21:06)</a>:</h4>
<p><span class="user-mention" data-user-id="116009">@nikomatsakis</span> what now? I could do some of the UI stuff, like command line arguments. But I think further poking on this particular representation may not be a good use of time.</p>



<hr><p>Last updated: Aug 07 2021 at 22:04 UTC</p>
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